Get curated editors’ picks, peeks behind the scenes, film recommendations and more.
The concept of ‘seeing sound’ might seem preposterous, but when you consider that sound is just compressed air travelling in waves, the idea becomes a bit more logical. The real trick is capturing air flow in a way that makes it perceptible to the human eye. Through some clever tricks, scientists are able to do just that using a technique called Schlieren flow visualisation, which is used to study everything from heat and sound to aerodynamics and the spread of disease.
Producer: Adam Cole
Video by NPR’s Skunk Bear
video
Death
Even in modern secular societies, belief in an afterlife persists. Why?
9 minutes
video
Nature and landscape
Take a serene hike through an ancient forest, inspired by a Miyazaki masterpiece
6 minutes
video
Design and fashion
The mundane becomes mesmerising in this deep dive into segmented displays
14 minutes
video
Physics
A song of ice, fire and jelly – exploring the physics and history of the trumpet
9 minutes
video
Spirituality
Trek alongside spiritual pilgrims on a treacherous journey across Pakistan
6 minutes
video
Thinkers and theories
Photographs offer a colonialist window to the past – one that must be challenged
14 minutes
video
Animals and humans
An artist and ants collaborate on an exhibit of ‘tiny Abstract Expressionist paintings’
5 minutes
video
Mathematics
How a curious question about colouring maps changed mathematics forever
9 minutes
video
Meaning and the good life
The world turns vivid, strange and philosophical for one plane crash survivor
16 minutes